Listed below are pulse rates (beats per minute) from samples of adult males and females. Does there appear to be a difference? Find the coefficient of variation for each of thetwo samples, then compare the variation.Male 89 70 60 69 68 51 66 55 81 70 60 64 98 54 65 DFemale 66 83 80 71 72 86 87 88 90 89 92 72 86 78 79The coefficient of variation for the male pulse rates is %(Type an integer or decimal rounded to one decimal place as needed.)The coefficient of variation for the female pulse rates is %(Type an integer or decimal rounded to one decimal place as needed.).Compare the variation.The coefficients of variation for each data set areEXTherefore, the male pulse rates varythe female pulse rates.

The genderwise data is given on the pulse rate.Given that,Sample sizes

Answered: The coefficient of variation for the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The quantity of dissolved oxygen is a measure of water pollution in lakes, rivers, and streams. Water samples were taken at four different locations in a river in an effort to determine if water pollution varied from location to location. Location I was 500 meters above an industrial plant water discharge point and near the shore. Location II was 200 meters above the discharge point and in midstream. Location III was 50 meters downstream from the discharge point and near the shore. Location IV was 200 meters downstream from the discharge point and in midstream. The following table shows the results. Lower dissolved oxygen readings mean more pollution. Because of the difficulty in getting midstream samples, ecology students collecting the data had fewer of these samples. Use a 5% level of significance. Do we reject or not reject the claim that the quantity of dissolved oxygen does not vary from one location to another? Location I Location II Location III Location IV 7.6 6.3 4.6…
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Please check answers 1; 0.351 2; 0.060 3;0.205 4; 0.172
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